To enable the Fn + Home key function, kindly upgrade the firmware using the steps below.


Download Link: https://www.dropbox.com/sh/ds3ingpv81kn2ps/AACSCbeJixI36Qz38EodOCixa?dl=0


Steps

1. Disable all antivirus programs that may interfere with the upgrade software.

2. Extract all files from the archive.

3. Connect the keyboard to the PC.

4. Double-click FB574.exe.

5. Press the Upgrade Button.

6. Once upgrade is successful, exit the application.


This upgrade enable the function of Fn + Home button which can be used to change LED effects.